Actor
Kim Young-sung
Kim Young-sung is credited on 5 movies and 3 TV shows, best known by TMDB votes for The Roundup, The Swordsman and Good Boy.
Born August 27, 1985.
Filmography · 8 titles
US streaming apps shown under each title, checked October 6, 2026. Tap any title for where it streams and what it costs.
The Roundup
2022 · Movie
On Prime Video and AsianCrush
The Swordsman
2020 · Movie
On Prime Video and fuboTV
Good Boy
2025 · TV show
On Prime Video
A Day
2017 · Movie
On Prime Video
The Beast
2019 · Movie
Not on a US subscription app
Grid
2022 · TV show
On Hulu
Salmokji: Whispering Water
2026 · Movie
Not on a US subscription app
Chief Detective 1958
2024 · TV show
On Hulu